This orange vigilance began yesterday at 8 p.m. for the Loire and the Rhône due to a “violent southerly gale occurring on average once or twice a year” in the Rhône valley, specifies Météo-France in its latest bulletin.
21 departments concerned
“Over the northern half of the country, storm Floriane will circulate quickly but intensely during the day on Monday,” warns the weather forecasting organization, which places 19 departments from Vendée to the Ardennes on orange alert from this Monday midnight and to the Meuse, along a diagonal encompassing all of Île-de-France.
The editorial team advises you
In the departments of Rhône and Loire, the southerly wind intensifies on Sunday during the day until reaching values exceeding 90 to 100 km/h in gusts during the night, with locally 110 to 120 km/h. h, indicates Météo-France.
“Two peaks of violent wind are likely: the first in the middle of the night from Sunday to Monday, the second at the end of the morning-midday on Monday,” warns the forecaster.
In the North-West, storm Floriane will enter the territory early Monday morning via the coasts of Vendée, again with gusts of around 90 to 100km/h, locally at 110km/h.
“Over the northern half, there remains uncertainty over the storm's path. »
“It shifts towards the Paris region at midday then the north-eastern regions at the start of the afternoon, before quickly evacuating towards Belgium,” adds Météo-France.
The orange alert must remain in force until Monday afternoon in the 21 departments concerned.
“In the northern half, there remains uncertainty about the trajectory of the storm” and “the wind could blow equally strongly” in the departments bordering the departments in orange vigilance, underlines Météo-France, which therefore calls for caution.
The editorial team advises you
In Hauts-de-France, the SNCF decided to shut down certain portions of lines for a few hours at midday on Monday, in order to prevent trains from finding themselves blocked by falling trees.
The Paris-Laon lines (between Crépy and Laon), Tergnier-Laon, Creil-Beauvais and Boulogne-Dunkerque are affected.
According to Météo-France, “in the vicinity of Aisne, it is not excluded, at this stage, that gusts could even locally reach 110 km/h”.
